Home / 109,727.80-164,591.70-74,298.40

Finding the Fourth Proportional to 109,727.80, 164,591.70 and 74,298.40

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Solution

The fourth proportional to 109,727.80, 164,591.70 and 74,298.40 is: 111,447.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,727.80 : 164,591.70 = 74,298.40 : x
  2. Step 2: Convert to fraction form
    109,727.80/164,591.70 = 74,298.40/x
  3. Step 3: Cross multiply
    109,727.80x = 164,591.70 × 74,298.40
  4. Step 4: Simplify right side
    109,727.80x = 12,228,899,963.28
  5. Step 5: Solve for x
    x = 12,228,899,963.28/109,727.80
  6. Step 6: Final answer
    x = 111,447.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.